/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineFriendsInterface.h
virtual [FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) AddOnDeleteFriendCompleteDelegate_Handle ( int32 LocalUserNum, const [FOnDeleteFriendCompleteDelegate](API\Plugins\OnlineSubsystem\Interfaces\FOnDeleteFriendCompleteDelegate) & Delegate )